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PRECAUTIONS: Before using lidocaine, tell your doctor or pharmacist if you are allergic to it; or to other amide type anesthetics (e.g., bupivacaine, prilocaine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: broken skin/infection in the area where lidocaine is to be used.Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart disease, liver disease.Caution is advised when using this drug in children because they may be more sensitive to the side effects of the drug.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.

DRUG INTERACTIONS: Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: class I antiarrhythmic drugs (e.g., disopyramide, procainamide, quinidine).This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

OVERDOSE: This medicine may be harmful if inhaled or swallowed. If overdose, inhalation, or swallowing is suspected, contact your local poison control center or emergency room immediately. US residents can call the US National Poison Hotline at 1-800-222-1222. Canadian residents can call a provincial poison control center. Symptoms of overdose may include: drowsiness, irregular heartbeat, seizures.

Report Problems to the Food and Drug Administration   You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.